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FormataData.java
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80 lines (61 loc) · 1.92 KB
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package utilitarios;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.StringTokenizer;
import javax.swing.JOptionPane;
import bean.ParametroBean;
public class FormataData {
static DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
public static String padraoUS(String data){
StringTokenizer st = new StringTokenizer(data, "/");
String dia = st.nextToken();
String mes = st.nextToken();
String ano = st.nextToken();
return ano + "-" + mes + "-" + dia;
}
public static String padraoBR(String data){
StringTokenizer st = new StringTokenizer(data, "-");
String ano = st.nextToken();
String mes = st.nextToken();
String dia = st.nextToken();
return dia + "/" + mes + "/" + ano;
}
public static Date padraoUs(String dataBR){
String dataUs = padraoUS(dataBR);
Date data = new Date();
try {
data = sdf.parse(dataUs);
} catch (ParseException e) {
JOptionPane.showMessageDialog(null, "Erro ao converter data!\n" + e.getMessage(), "Erro!", JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
}
return data;
}
public static Date padraoBr(String dataUS){
String dataBr = padraoBR(dataUS);
Date data = new Date();
try {
data = sdf.parse(dataBr);
} catch (ParseException e) {
JOptionPane.showMessageDialog(null, "Erro ao converter data!\n" + e.getMessage(), "Erro!", JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
}
return data;
}
public static Integer calculaIntervalo(Date data){
Integer diasRestantes = 0;
Date hoje = new Date();
while(data.before(hoje)){ // enquanto data for antes de hoje
Calendar calendar = Calendar.getInstance(); // contar quantos dias ainda restam
calendar.setTime(data);
int d = 1;
calendar.add(Calendar.DAY_OF_MONTH, d);
data = calendar.getTime();
diasRestantes++;
}
return diasRestantes;
}
}